2031040221 has 16 divisors (see below), whose sum is σ = 3096635904. Its totient is φ = 1159950384.

The previous prime is 2031040183. The next prime is 2031040229. The reversal of 2031040221 is 1220401302.

It is not a de Polignac number, because 2031040221 - 2⁶ = 2031040157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031040221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031040229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13306 + ... + 65108.

It is an arithmetic number, because the mean of its divisors is an integer number (193539744).

Almost surely, 2^2031040221 is an apocalyptic number.

2031040221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2031040221 is a deficient number, since it is larger than the sum of its proper divisors (1065595683).

2031040221 is a wasteful number, since it uses less digits than its factorization.

2031040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53680.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2031040221 is about 45067.0635941593. The cubic root of 2031040221 is about 1266.4056554145.

Adding to 2031040221 its reverse (1220401302), we get a palindrome (3251441523).

The spelling of 2031040221 in words is "two billion, thirty-one million, forty thousand, two hundred twenty-one".